# Ligand · Peptide Tracker vs Peptide Calculator, Tracker

The clearest difference is update cadence: Peptide Calculator, Tracker at weekly against Ligand · Peptide Tracker's every 6 weeks. Peptide Calculator, Tracker also leads on iOS requirement (15.1 vs 17.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Ligand · Peptide Tracker sells 3 in-app purchases, starting at $7.99 per month and Peptide Calculator, Tracker sells 5 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Ligand · Peptide Tracker ships an update every 6 weeks, Peptide Calculator, Tracker weekly. The most recent releases landed on October 12, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Ligand · Peptide Tracker | Peptide Calculator, Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (19 ratings)](https://appshunter.io/ios/app/peptide-calculator-tracker/id6765843531/reviews)** |
| Number of ratings | — | **19** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Weekly** |
| Monetization | — | Freemium |
| Size | 12 MB | 50 MB |
| Requires iOS | 17.6 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Vytautas Jazbutis](https://appshunter.io/developer/1829284015) | [Yash Garg](https://appshunter.io/developer/1711764800) |

## What reviewers say

### Ligand · Peptide Tracker

[App page](https://appshunter.io/ios/app/ligand-peptide-tracker/id6764633373)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly · Unlimited + Export | $7.99 | per month |
| Yearly · Unlimited + Export | $59.99 | per year |
| Lifetime · Unlimited + Export | $79.99 | one-time |


### Peptide Calculator, Tracker

[App page](https://appshunter.io/ios/app/peptide-calculator-tracker/id6765843531)

Easily plan, schedule, and track peptide protocols with auto-calculated draw amounts and a visual syringe guide. Log doses, view your calendar, and manage custom regimens for various peptides.

**Highlights:** Custom peptide protocol creation, Visual syringe draw guide, Flexible dose scheduling, Quick dose logging with notes, Calendar overview of doses, Multi-peptide stacking support

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $4.99 | per month |
| Premium Weekly | $4.99 | per 7 days |
| Premium Monthly | $9.99 | per month |
| Premium Yearly | $39.99 | per year |
| Premium Yearly | $39.99 | per year |


## Frequently asked questions

### Is Ligand · Peptide Tracker free?

Ligand · Peptide Tracker is free to download, with in-app purchases available.

### Is Peptide Calculator, Tracker free?

Peptide Calculator, Tracker is free to download, with in-app purchases available.

### Do Ligand · Peptide Tracker or Peptide Calculator, Tracker have ads?

Neither Ligand · Peptide Tracker nor Peptide Calculator, Tracker shows ads.

### Which is updated more often, Ligand · Peptide Tracker or Peptide Calculator, Tracker?

Ligand · Peptide Tracker ships an update every 6 weeks, and Peptide Calculator, Tracker weekly. Most recently, Ligand · Peptide Tracker was updated on October 12, 2026 and Peptide Calculator, Tracker on October 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*